Adding k8s scripts from troubleshooting

Author: carlosrodlop

scripts/cluster-info.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/bash
+set -euox pipefail
+
+output_folder="/tmp/$(basename "$0"))"
+target_namespaces=(cbci cbci-agents)
+mkdir "$output_folder" || echo "$output_folder already exists"
+kubectl describe nodes --show-events=true > "$output_folder/nodes.txt"
+kubectl cluster-info dump > "$output_folder/cluster.json"
+for n in "${target_namespaces[@]}"
+do
+    kubectl get ns "$n" || (echo "Namespace $n does not exist" && exit 1)
+    kubectl get all -n "$n" -o wide > "$output_folder/get-all-$n.yaml"
+    kubectl describe pod -n "$n" --show-events=true > "$output_folder/describe-pods-$n.yaml"
+done

scripts/metric-server-monitoring.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/bash
+set -euox pipefail
+
+namespace_name="namespace-example"
+pod_name="jenkins-example-0"
+watch -n1 "echo 'NODES\n'; kubectl top nodes; echo '\n\n' ; \
+    echo 'PODS\n'; kubectl -n ${namespace_name} top pods; echo '\n\n'; \
+    echo 'CONTAINERS\n'; kubectl -n ${namespace_name} top pod ${pod_name} --containers"